BM-22-6 Single Stringer Attic Stair:

The all NEW disappearing sliding stairway designed to replace the conventional folding attic ladder and is specially engineered to fit the existing folding stair opening. Model 22 has all of the features of the standard model 26, but is specially designed to fit between 24" O.C. truss ceilings. You don't climb a Bessler Stairway - you walk up it! - 9'11"H To 10'4"H